js 封装时间戳为时间格式

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//封
//时间转换
function dateFtt(fmt,date)   
{ //author: meizz   
    var o = {   
    "M+" : date.getMonth()+1,                 //月份   
    "d+" : date.getDate(),                    //日   
    "h+" : date.getHours(),                   //小时   
    "m+" : date.getMinutes(),                 //分   
    "s+" : date.getSeconds(),                 //秒   
    "q+" : Math.floor((date.getMonth()+3)/3), //季度   
    "S"  : date.getMilliseconds()             //毫秒   
    };   
    if(/(y+)/.test(fmt))   
    fmt=fmt.replace(RegExp.$1, (date.getFullYear()+"").substr(4 - RegExp.$1.length));   
    for(var k in o)   
    if(new RegExp("("+ k +")").test(fmt))   
    fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));   
    return fmt;   

function crtTime(value){
    var crt = new Date(value);
    return top.dateFtt("yyyy-MM-dd",crt);//直接调用公共JS里面的时间类处理的办法     
}
// Dat
function getLocalTime(nS) { 
    return new Date(parseInt(nS) * 1000).toLocaleString().replace(/年|月/g, "-").replace(/日/g, " "); 





//封装时间戳转换时间


function date(format, timestamp){ 
var a, jsdate=((timestamp) ? new Date(timestamp*1000) : new Date()); 
var pad = function(n, c){ 
if((n = n + "").length < c){ 
return new Array(++c - n.length).join("0") + n; 
} else { 
return n; 

}; 
var txt_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]; 
var txt_ordin = {1:"st", 2:"nd", 3:"rd", 21:"st", 22:"nd", 23:"rd", 31:"st"}; 
var txt_months = ["", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]; 
var f = { 
// Day 
d: function(){return pad(f.j(), 2)}, 
D: function(){return f.l().substr(0,3)}, 
j: function(){return jsdate.getDate()}, 
l: function(){return txt_weekdays[f.w()]}, 
N: function(){return f.w() + 1}, 
S: function(){return txt_ordin[f.j()] ? txt_ordin[f.j()] : 'th'}, 
w: function(){return jsdate.getDay()}, 
z: function(){return (jsdate - new Date(jsdate.getFullYear() + "/1/1")) / 864e5 >> 0}, 


// Week 
W: function(){ 
var a = f.z(), b = 364 + f.L() - a; 
var nd2, nd = (new Date(jsdate.getFullYear() + "/1/1").getDay() || 7) - 1; 
if(b <= 2 && ((jsdate.getDay() || 7) - 1) <= 2 - b){ 
return 1; 
} else{ 
if(a <= 2 && nd >= 4 && a >= (6 - nd)){ 
nd2 = new Date(jsdate.getFullYear() - 1 + "/12/31"); 
return date("W", Math.round(nd2.getTime()/1000)); 
} else{ 
return (1 + (nd <= 3 ? ((a + nd) / 7) : (a - (7 - nd)) / 7) >> 0); 


}, 


// Month 
F: function(){return txt_months[f.n()]}, 
m: function(){return pad(f.n(), 2)}, 
M: function(){return f.F().substr(0,3)}, 
n: function(){return jsdate.getMonth() + 1}, 
t: function(){ 
var n; 
if( (n = jsdate.getMonth() + 1) == 2 ){ 
return 28 + f.L(); 
} else{ 
if( n & 1 && n < 8 || !(n & 1) && n > 7 ){ 
return 31; 
} else{ 
return 30; 


}, 


// Year 
L: function(){var y = f.Y();return (!(y & 3) && (y % 1e2 || !(y % 4e2))) ? 1 : 0}, 
//o not supported yet 
Y: function(){return jsdate.getFullYear()}, 
y: function(){return (jsdate.getFullYear() + "").slice(2)}, 


// Time 
a: function(){return jsdate.getHours() > 11 ? "pm" : "am"}, 
A: function(){return f.a().toUpperCase()}, 
B: function(){ 
// peter paul koch: 
var off = (jsdate.getTimezoneOffset() + 60)*60; 
var theSeconds = (jsdate.getHours() * 3600) + (jsdate.getMinutes() * 60) + jsdate.getSeconds() + off; 
var beat = Math.floor(theSeconds/86.4); 
if (beat > 1000) beat -= 1000; 
if (beat < 0) beat += 1000; 
if ((String(beat)).length == 1) beat = "00"+beat; 
if ((String(beat)).length == 2) beat = "0"+beat; 
return beat; 
}, 
g: function(){return jsdate.getHours() % 12 || 12}, 
G: function(){return jsdate.getHours()}, 
h: function(){return pad(f.g(), 2)}, 
H: function(){return pad(jsdate.getHours(), 2)}, 
i: function(){return pad(jsdate.getMinutes(), 2)}, 
s: function(){return pad(jsdate.getSeconds(), 2)}, 
//u not supported yet 


// Timezone 
//e not supported yet 
//I not supported yet 
O: function(){ 
var t = pad(Math.abs(jsdate.getTimezoneOffset()/60*100), 4); 
if (jsdate.getTimezoneOffset() > 0) t = "-" + t; else t = "+" + t; 
return t; 
}, 
P: function(){var O = f.O();return (O.substr(0, 3) + ":" + O.substr(3, 2))}, 
//T not supported yet 
//Z not supported yet 


// Full Date/Time 
c: function(){return f.Y() + "-" + f.m() + "-" + f.d() + "T" + f.h() + ":" + f.i() + ":" + f.s() + f.P()}, 
//r not supported yet 
U: function(){return Math.round(jsdate.getTime()/1000)} 
}; 
//    /[\\]?([a-zA-Z])/g
return format.replace(/[\\]?([a-zA-Z])/g, function(t, s){ 
if( t!=s ){ 
// escaped 
ret = s; 
} else if( f[s] ){ 
// a date function exists 
ret = f[s](); 
} else{ 
// nothing special 
ret = s; 

return ret; 
}); 
}
date('Y-m-d H:i:s',1350052663)
date('Y-m-d',1350052663)
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